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Cyclocross Tube

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Cyclocross Tube

The Q-Tubes Cyclocross Tube holds air, has a removable valve core, and has a 48mm-long valve stem –long enough to clear mid-depth wheels. It’ll work best with tires between 28 and 32mm wide.


  • 48mm valve stem
  • 28-32mm wide tires
  • Removable valve core
  • Item #QTB0005
700 x 30 mm Q-Tubes
Valve Type
48 mm
Claimed Weight
4.6oz (130g)
Recommended Use